/*
 * Copyright 2010 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.mobile.trippy.web.server.service;

import javax.jdo.JDOHelper;
import javax.jdo.PersistenceManagerFactory;

/**
 * Utility class to get singleton instance of PersistenceManagerFactory.
 * 
 */
public final class PMF {
  
  private static final PersistenceManagerFactory pmfInstance = JDOHelper
      .getPersistenceManagerFactory("transactions-optional");

  private PMF() {
    throw new UnsupportedOperationException();
  }

  public static PersistenceManagerFactory get() {
    return pmfInstance;
  }
}
